It relies on the ability to stimulate different types of molecules to turn on or off selectively. (sciencemag.org)
The researchers have found that rat sperm carry two types of molecule which are also found in cells lining the nose. (newscientist.com)
The DNA present in a living system is surrounded by water and other types of molecules, so studying these processes in a more realistic environment is particularly desirable. (sciencedaily.com)